package practice;

/**
 * @Author: jeason
 * @Description: try
 * @Date: 2020/7/3 0:03
 */
public class Try<Hello1 extends HelloImpl> {
    public void useHello1(Hello1 hello1){
        hello1.sayHello("jeason");
    }

    public static void main(String[] args) {
        HelloImpl hello = new HelloImpl();
        
        new Try<>().useHello1(hello);
    }
}
